pytest: test gossip_store loading of spam node announcement before channel update

2025-03-15 11:59:16 +01:00 · 2023-08-08 16:46:59 -05:00 · 2023-08-08 16:46:59 -05:00 · 53dd6cd44a
commit 53dd6cd44a
parent dbe8ac3b22
1 changed files with 94 additions and 0 deletions
--- a/tests/test_gossip.py
+++ b/tests/test_gossip.py
@ -2383,3 +2383,97 @@ def test_dump_own_gossip(node_factory):

    # We should get exactly what we expected.
    assert expect == []
+
+
+@pytest.mark.xfail
+@pytest.mark.developer("needs --dev-gossip-time")
+@unittest.skipIf(
+    TEST_NETWORK != 'regtest',
+    "Channel announcement contains genesis hash, receiving node discards on mismatch"
+)
+def test_read_spam_nannounce(node_factory, bitcoind):
+    """issue #6531 lead to a node announcement not being deleted from
+    the gossip_store."""
+    """broadcastable and spam node announcements should be loaded properly when
+    reading the gossip_store - even when they are both pending a channel
+    update."""
+    opts = {'dev-gossip-time': 1691773540}
+    l1 = node_factory.get_node(start=False, opts=opts)
+    canned_store = (
+        "0c"        # Gossip store version byte
+        "0000"      # length flags
+        "01b0"      # length
+        "d163af25"  # checksum
+        "64d66a3a"  # timestamp
+        # Channel announcement
+        "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"
+        # Channel Amount
+        "0000000a911183f600000000"
+        "100500000000000f4240"
+        # broadcastable node announcement (rgb=000001)
+        "0000009533d9cf8c64d66a44"
+        "010108f4e25debdd74d0f52b7f1da5dbd82f429d057f48e3d2ed49fcc65cfe3e185c086c1a83d8f3bb15dc0cc852d80390c24cd1fe6d288b91eb55cf98c4a9baf7c0000788a0000a0269a264d66a44022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d5900000153494c454e544152544953542d3536392d67303030643963302d6d6f646465640000"
+        # Rate-limited node announcment (rgb=000002)
+        "2000009519aa897a64d66a49"
+        "0101685f67556cd0a87e04c6d1e9daa4e31dcf14f881d6f1231b1bee8adf6666977b6b9baa497e91d2b6daae726cde69e3faf924d9c95d0ca6b374d6693d4fc0d648000788a0000a0269a264d66a49022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d5900000253494c454e544152544953542d3536392d67303030643963302d6d6f646465640000"
+        # Channel Update
+        "0000008a0234021c64d66a61"
+        "010242ce9d9e79f939399ea1291c04fffcafdfa911246464a4b48c16b7b816dd57b4168562a6c519eb31c37718b68bdfc6345d7c2db663b8b04a3558ce7736c5b61706226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f000067000001000064d66a6101000006000000000000000000000015000003e8000000003b023380"
+        # Channel Update
+        "0000008acd55fcb264d66a61"
+        "01023f5dd1f69f675a71d2a7a34956b26f12c4fe9ee287a8449a3eb7b756c583e3bb1334a8eb7c3e148d0f43e08b95c50017ba62da9a7843fe4850a3cb3c74dc5e2c06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f000067000001000064d66a6101010006000000000000000000000015000003e8000000003b023380"
+    )
+    with open(os.path.join(l1.daemon.lightning_dir, TEST_NETWORK, 'gossip_store'), 'wb') as f:
+        f.write(bytearray.fromhex(canned_store))
+
+    bitcoind.generate_block(1)
+    tx = bitcoind.rpc.createrawtransaction(
+        [],
+        [
+            # Fundrawtransaction will fill in the first output with the change
+            {"bcrt1qpd7nwe3jrt07st89uy82nn2xrmqtxyzqpty5ygt6w546lf6n0wcskswjvh": 0.01000000}
+        ]
+    )
+    tx = bitcoind.rpc.fundrawtransaction(tx, {'changePosition': 0})['hex']
+    tx = bitcoind.rpc.signrawtransactionwithwallet(tx)['hex']
+    txid = bitcoind.rpc.sendrawtransaction(tx)
+    wait_for(lambda: txid in bitcoind.rpc.getrawmempool())
+    bitcoind.generate_block(6)
+    l1.start()
+    # retrieves node info originating from the spam announcement
+    node_info = l1.rpc.listnodes('022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59')
+    assert only_one(node_info['nodes'])['color'] == '000002'
+
+    out = subprocess.run(['devtools/gossipwith',
+                          '--initial-sync',
+                          '--timeout-after={}'.format(int(math.sqrt(TIMEOUT) + 1)),
+                          '--hex',
+                          '{}@localhost:{}'.format(l1.info['id'], l1.port)],
+                         check=True,
+                         timeout=TIMEOUT, stdout=subprocess.PIPE).stdout.decode()
+
+    received_broadcastable = False
+    received_spam = False
+    for message in out.splitlines():
+        gos = subprocess.run(['devtools/decodemsg', message], check=True,
+                             timeout=TIMEOUT,
+                             stdout=subprocess.PIPE).stdout.decode()
+
+        for line in gos.splitlines():
+            if 'rgb_color=[000001]' in line:
+                received_broadcastable = True
+            if 'rgb_color=[000002]' in line:
+                received_spam = True
+
+    assert received_broadcastable
+    assert not received_spam
+    # Send a new node announcement. It should replace both.
+    subprocess.run(['devtools/gossipwith',
+                    '--max-messages=0',
+                    '{}@localhost:{}'.format(l1.info['id'], l1.port),
+                    # color=000003
+                    '0101273fd2c58deb4c3bd98610079657219a5c8291d6a85c3607eae895f25e08babd6e45edd1e62f719b20526ed1c8fc3c7d9e7e3fafa4f24e4cb64872d041a13503000788a0000a0269a264d66a4e022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d5900000353494c454e544152544953542d3536392d67303030643963302d6d6f646465640000'],
+                   check=True, timeout=TIMEOUT)
+    l1.daemon.wait_for_log('Received node_announcement')
+    l1.restart()
+    assert not l1.daemon.is_in_log('BROKEN')